Sum of all parts of the partitions of n, minus sigma(n).

Terms

a(0) =0a(1) =1a(2) =5a(3) =13a(4) =29a(5) =54a(6) =97a(7) =161a(8) =257a(9) =402a(10) =604a(11) =896a(12) =1299a(13) =1866a(14) =2616a(15) =3665a(16) =5031a(17) =6891a(18) =9290a(19) =12498a(20) =16600a(21) =22008a(22) =28841a(23) =37740a(24) =48919a(25) =63294a(26) =81230a(27) =104048a(28) =132355a(29) =168048